Base | Representation |
---|---|
bin | 1001101001100… |
… | …01000000010111 |
3 | 12122022020021202 |
4 | 10310301000113 |
5 | 131210103304 |
6 | 12010503115 |
7 | 2001662552 |
oct | 464610027 |
9 | 178266252 |
10 | 80941079 |
11 | 4176425a |
12 | 23134a9b |
13 | 139cc83b |
14 | aa6d699 |
15 | 718c81e |
hex | 4d31017 |
80941079 has 4 divisors (see below), whose sum is σ = 81036384. Its totient is φ = 80845776.
The previous prime is 80941051. The next prime is 80941087. The reversal of 80941079 is 97014908.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80941079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80941099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46367 + ... + 48080.
It is an arithmetic number, because the mean of its divisors is an integer number (20259096).
Almost surely, 280941079 is an apocalyptic number.
80941079 is a deficient number, since it is larger than the sum of its proper divisors (95305).
80941079 is an equidigital number, since it uses as much as digits as its factorization.
80941079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95304.
The product of its (nonzero) digits is 18144, while the sum is 38.
The square root of 80941079 is about 8996.7260156126. The cubic root of 80941079 is about 432.5699335609.
The spelling of 80941079 in words is "eighty million, nine hundred forty-one thousand, seventy-nine".
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